Amardeep Steel Center is a globally recognized manufacturer, supplier, and exporter of premium Stainless Steel 304L Butt weld Fittings. Engineered for superior weldability and corrosion resistance, our fittings are the preferred choice for critical piping systems that demand reliability and longevity. We provide a complete inventory of ASTM A403 WP304L Fittings, including elbows, tees, reducers, and caps, that adhere to the highest international standards. Our unwavering focus on quality manufacturing and customer-centric service ensures that we deliver robust solutions for even the most challenging industrial environments.
What Are Stainless Steel 304L Butt Weld Fittings?
Stainless Steel 304L Butt weld Fittings are a specialized category of pipe connectors designed for joining pipes through a butt-welding process. This involves aligning the beveled ends of the fitting and pipe and welding them together to create a solid, leak-proof bond. This joining method is standard for high-stakes applications requiring structural integrity under pressure and temperature fluctuations.
The "L" in 304L signifies "low carbon." 304L Stainless Steel Pipe Fittings contain a maximum of 0.03% carbon, a significant reduction from the 0.08% max in standard Grade 304. This seemingly small difference provides a crucial advantage:
- Immunity to Sensitization: The low carbon content minimizes the precipitation of chromium carbides at the grain boundaries during welding. This phenomenon, known as sensitization, reduces corrosion resistance in the heat-affected zone of the weld. By preventing it, UNS S30403 Fittings maintain their corrosion resistance after welding without requiring post-weld heat treatment (annealing) in most applications.
- Enhanced Weldability: This characteristic makes 304L Welded Pipe Fittings ideal for heavy-section components (typically over 6mm thick) and complex assemblies where multiple welding passes are necessary.
As a leading manufacturer, Amardeep Steel produces SS 304L Butt Weld Pipe Fittings that conform strictly to standards like ASME B16.9 304L Pipe Fittings, guaranteeing reliability and perfect integration into your piping systems.
Table of Contents
- Stainless Steel 304L Butt Weld Fittings Specifications
- Chemical Composition & Mechanical Properties of Stainless Steel 304L Butt Weld Fittings
- Mechanical Properties of Stainless Steel 304L Butt Weld Fittings
- Heat Treatment & Tolerances of Stainless Steel 304L Butt weld Fittings
- Dimensional Tolerances
- Types & Forms of Stainless Steel 304L Butt weld Fittings
- Applications & Industries Served of Stainless Steel 304L Butt weld Fittings
- Why Choose Amardeep Steel for Stainless Steel 304L Butt weld Fittings?
- Related Products
- Get a Competitive Price
Stainless Steel 304L Butt Weld Fittings Specifications
Our ASTM A403 WP304L Fittings are manufactured to precise technical specifications, ensuring they deliver exceptional performance and safety in every application.
|
Specification |
Details |
|---|---|
|
Specification |
ASTM A403 / ASME SA403 |
|
Grade |
Stainless Steel 304L / UNS S30403 / WNR 1.4307 |
|
Dimensions |
ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
|
Size Range |
1/2" NB to 48" NB (Seamless & Welded/Fabricated) |
|
Type |
Seamless / Welded / Fabricated |
|
Wall Thickness |
Sch 5s, Sch 10s, Sch 40s, STD, Sch 80s, XS, Sch 160s, XXS |
|
Bending Radius |
R=1D, 2D, 3D, 5D, 6D, 8D, 10D, or Custom |
|
Forms |
Elbows (45°, 90°, 180°), Tees (Equal, Reducing), Reducers (Concentric, Eccentric), Caps, Stub Ends, Bends, Crosses |
Chemical Composition & Mechanical Properties of Stainless Steel 304L Butt Weld Fittings
The reliability of our Stainless Steel 304L Butt weld Fittings stems from a tightly controlled chemical composition and verified mechanical properties.
Chemical Composition (wt %)
|
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Ni |
N |
|---|---|---|---|---|---|---|---|---|
|
SS 304L (UNS S30403) |
0.03 max |
2.0 max |
0.75 max |
0.045 max |
0.030 max |
18.0-20.0 |
8.0-12.0 |
0.10 max |
Mechanical Properties of Stainless Steel 304L Butt Weld Fittings
|
Property |
Minimum Value |
|---|---|
|
Tensile Strength |
485 MPa (70,000 psi) |
|
Yield Strength (0.2% Offset) |
170 MPa (25,000 psi) |
|
Elongation (in 50mm) |
40% |
|
Hardness, Rockwell B |
92 HRB max |
|
Hardness, Brinell |
201 HBW max |
Heat Treatment & Tolerances of Stainless Steel 304L Butt weld Fittings
Our manufacturing processes include critical heat treatment and adherence to strict dimensional tolerances to ensure every fitting performs flawlessly.
Heat Treatment Requirements
All ASTM A403 WP304L Fittings are supplied in a fully solution-annealed state. This involves heating the material to a minimum of 1040°C (1900°F) and then cooling it rapidly. This process ensures a uniform austenitic microstructure, dissolves any harmful precipitates, and maximizes corrosion resistance and ductility. The primary benefit of the 'L' grade is that it often eliminates the need for post-weld annealing, saving significant time and cost during field installation.
Dimensional Tolerances
We manufacture ASME B16.9 304L Pipe Fittings to the exact dimensional tolerances outlined in the standard. This guarantees consistency in:
- Center-to-face and end-to-end dimensions
- Angular accuracy of elbows and tees
- Concentricity and wall thickness
- Bevel angle for perfect weld preparation
This precision is key to ensuring a smooth, hassle-free fit-up and welding process on-site.
Types & Forms of Stainless Steel 304L Butt weld Fittings
Amardeep Steel Center maintains a comprehensive stock of Stainless Steel 304L Butt weld Fittings to meet any piping design requirement.
- SS 304L Elbows (45°, 90°, 180°): Available in Long Radius (LR) for minimizing pressure drop and Short Radius (SR) for compact installations.
- SS 304L Tees (Equal & Reducing): To create 90° branch connections. Equal tees have uniform openings, while reducing tees feature a smaller branch outlet.
- SS 304L Reducers (Concentric & Eccentric): To join pipes of different sizes. Concentric reducers are used for vertical lines, while eccentric reducers are ideal for horizontal lines to prevent air or residue buildup.
- SS 304L Pipe Caps: Provide a permanent, leak-proof seal at the end of a pipeline.
- SS 304L Stub Ends: Paired with lap joint flanges to create a flanged connection that can be easily rotated for bolt hole alignment.
- SS 304L Bends (3D, 5D, 10D): Offer a gentler change in direction than elbows, ideal for sensitive fluid transport and piggable lines.
- SS 304L Crosses (Equal & Reducing): Used to create four-way intersections in complex piping networks
Applications & Industries Served of Stainless Steel 304L Butt weld Fittings
The superior weldability of SS 304L Butt Weld Pipe Fittings makes them indispensable across numerous industries:
- Chemical Processing: For systems handling corrosive media where extensive welding is required.
- Oil and Gas: In pipelines, processing plants, and refineries where resistance to corrosive environments is critical.
- Pharmaceutical & Biotechnology: Used in sterile process piping where smooth, crevice-free welds are essential to prevent contamination.
- Food and Beverage: For hygienic pipelines in breweries, dairies, and food processing facilities that undergo frequent cleaning and sterilization.
- Power Generation: In cooling water systems, condensate lines, and other auxiliary piping.
- Water Treatment and Desalination: For handling chlorinated and treated water where corrosion resistance is paramount.
- Pulp and Paper Manufacturing: To resist corrosive chemicals used in the bleaching and pulping process.
- Mining and Minerals Processing: In slurry pipelines and processing equipment where abrasion and corrosion are concerned.
Why Choose Amardeep Steel for Stainless Steel 304L Butt weld Fittings?
Choosing Amardeep Steel Center means selecting a partner committed to quality, reliability, and service.
- Manufacturing Excellence: Our advanced manufacturing facilities utilize premium raw materials and rigorous quality control to produce fittings with exceptional surface finish and dimensional accuracy.
- Global Exports: As a seasoned exporter, we have a proven track record of successfully supplying Stainless Steel 304L Butt weld Fittings to clients in the USA, Canada, UAE, Saudi Arabia, Europe, and Southeast Asia.
- Fast Turnaround & Large Inventory: We maintain a vast stock of standard and hard-to-find fittings, ensuring we can meet your project deadlines with prompt deliveries.
- Certified Quality: Our operations are ISO 9001:2015 certified. Every fitting is supplied with a Mill Test Certificate (MTC) as per EN 10204 3.1. We welcome third-party inspections from agencies like TUV, DNV, Bureau Veritas, and Lloyd’s.
- Expert Technical Support: Our experienced team of metallurgists and engineers is on hand to provide technical support, helping you select the right products and optimize your piping system design.
Related Products
- Stainless Steel 304 Butt Weld Fittings
- Stainless Steel 316/316L Butt Weld Fittings
- Stainless Steel 304L Seamless Pipes
- Stainless Steel 304L Welded Pipes
- Stainless Steel 304L Flanges
- Stainless Steel 304L Round Bars
Get Your Stainless Steel 304L Butt weld Fittings Price
Ready to order your Stainless Steel 304L Butt weld Fittings? Contact us now for a fast, no-obligation quote. Our dedicated sales team will provide you with competitive pricing and delivery information tailored to your requirements.
Frequently Asked Questions (FAQ's)
1. What is the primary advantage of using 304L fittings over standard 304?
The main advantage is its enhanced weldability. The low carbon content (0.03% max) prevents chromium carbide precipitation during welding, thus avoiding intergranular corrosion (sensitization) in the weld's heat-affected zone. This often eliminates the need for post-weld heat treatment, saving time and money.
2. Can I use Stainless Steel 304L Butt weld Fittings for high-temperature service?
While 304L has good oxidation resistance, its lower carbon content results in slightly lower strength at elevated temperatures compared to standard 304 or 304H. For applications consistently operating above 425°C (800°F), Grade 304H is typically the recommended choice.
3. Are your ASTM A403 WP304L Fittings dual-certified?
Yes, it is a common and highly beneficial industry practice. Most of our 304L stock is dual-certified as 304/304L. This means the material meets the low carbon requirement of 304L while also satisfying the minimum strength requirements of standard 304, offering the best of both grades.
4. What is the difference between seamless and welded 304L fittings?
Seamless fittings are manufactured from a single piece of billet, resulting in a uniform structure with no weld seams. They are often specified for the most critical, high-pressure applications. Welded fittings are made from welded pipe or plate and are a more cost-effective option suitable for the vast majority of industrial applications.
5. What information is needed for an accurate price quote?
To provide you with the best price, please include the following details in your inquiry: fitting type (e.g., 90° elbow, concentric reducer), size (e.g., 4-inch), wall thickness or schedule (e.g., Sch 40s), quantity, and any special testing or certification requirements.
